4 7/12 + 4 3/14. to solve that, find the common factor.
12, 24, 36, 48, 60, 72, 84
14, 28, 42, 56, 70, 84
CF= 84
now you plug them in the expressions.
4 7/12 7x7= 49 12x7=84 4 49/84
4 3/14 3x6= 18 14x6= 84 4 18/84
________
8 67/84 is your answer.
eight and sixty seven over eighty four is your answer.
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